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Construct an Xbar / S control chart and determine the process capability index of it for a specification of 74.000 ± 0.015.

Rock Dept. Data Inside Diameter Measurements (mm) for Automobile Engine Piston Rings Sample Number 4 S 7 10 74.030 73.995 73.

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Given! - Average Standard deviation (5) - 0.0094 Overall Process average (X) = 74.00) 1 control limits for schart - uplex conI mang s-chart scal on X axis im Sub Page VeriSLM...zum. DE to webs F2014 httre ter CHO IS tot ha -100 Sub group number les 927 de 3 asth 31pབའa ahog H 22 2 pཔག བ༠༢༠ ལ3 91xpEtw 2Q 59,25}| Sxpx d 799391 2#* 1226 13.4a7 ཉn ཚན་ ། hahl xན Subgroup Alle rHoe het Sri Rama OBSERVATIONS & CALCULATIONS Erom above & chart is with in the Cuphol limits and so, & chart is vaild. All arHlways i Rama OBSERVATIONS & CALCULATIONS CRET CPK min (0.466, 0.533) Please UPVole and give feed back.X-S CONTROL CHART CONSTANTS Below are the control charts constants for the X-schart for subgroup sizes up to 25. n A3 B3 B4 C

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